AVTECH IP Camera/NVR/DVR SSL Certificate Verification Service improper authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in AVTECH IP Camera, NVR and DVR. Impacted is an unknown function of the component SSL Certificate Verification Service. The manipulation leads to improper authentication. No exploit exists.

Detailsinfo

A vulnerability was found in AVTECH IP Camera, NVR and DVR (Network Camera Software) (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component SSL Certificate Verification Service. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/11/2016 by Gergely Eberhardt (ebux25) as AVTECH IP Camera, NVR, DVR multiple vulnerabilities as not defined mailinglist post (Bugtraq). The advisory is shared at seclists.org. The mailinglist post contains:

We note that the above vulnerabilities were found within a short period of time without a systematic approach. Based on the vulnerability types we found and the overall code quality, the devices should contain much more problems.
The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 358 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-92524, VDB-92525, VDB-92526 and VDB-92527 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

Video

Youtube: Not available anymore

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/19/2015 🔍
10/11/2016 +358 days 🔍
10/11/2016 +0 days 🔍
05/18/2019 +949 days 🔍

Sourcesinfo

Advisory: AVTECH IP Camera, NVR, DVR multiple vulnerabilities
Researcher: Gergely Eberhardt (ebux25)
Status: Not defined

GCVE (VulDB): GCVE-100-92537
See also: 🔍

Entryinfo

Created: 10/11/2016 17:40
Updated: 05/18/2019 12:13
Changes: 10/11/2016 17:40 (44), 05/18/2019 12:13 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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